Pearl and Jade Physical Properties

Pearl

Jade

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.60-2.85

2.90-3.38

1.5 Fracture

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

Gemstones of the world (2001), Difficult, Splintery

1.6 Cleavage

none

1 or 2,2 prismatic.

1.7 Mohs Hardness

2.5-4.5

6-7

1.8 Chemical Composition

Not Available

Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

Pearl and Jade Chemical Formula

While comparing Pearl and Jade physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Pearl and Jade chemical formula.

Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

Compare Blue Gemstones

Pearl Vs Precious Opal

Pearl Vs Prase

Pearl Vs Prase Opal

Pearl and Jade Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pearl and Jade Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pearl and Jade Optical Properties during the identification of gemstone. Specific gravity of Pearl is 2.90-3.38 whereas that of Jade is 2.90-3.38.